Funnels with automatic sealing



1366- 1957 c. F. PAROSELITE FUNNELS WITH AUTOMATIC SEALING FIG. 2

Filed Sept. 2'7, 1954 INVENTOR CAYETANO FRANCISCO PAROSELITE ATTORNEYS United StatesPatent O 2,818,090 FUNNELS WITH AUTOMATIC SEALING Cayetano Francisco Paroselite, Buenos Aires, Argentina Application September 27, 1954, Serial No. 458,609

2 Claims. (Cl. 141-201) There exist already funnel constructions provided with automatic sealing devices whose functional object resides in the fact of stopping the flow of the fluid through the pouring tube, when the level of the contents within the container to be filled with the help of the funnel has nearly reached the admission mouth of said container, thus preventing an overflow of the fluid during the filling of the container and therefore, a useless loss of fluid and other additional drawbacks.

All the constructions of safety funnels of the above type at present known ofier serious deficiencies, and more particularly that which consists in the impossibility of withdrawing the container properly filled from the funnel, with its exit end automatically sealed for preventing the exit of the liquid remaining in the funnel after the filling operation. At present this is carried out by applying the hand on the valve member in its sealing position when the funnel is withdrawn, as otherwise the valve member moves away from the sealing position and opens the exit of the funnel with the logical consequences the case presents.

The funnel with automatic sealing that forms the object of the present invention is characterized by the fact that the valve member axially movable within the passage of an axial tubular body or casing secured to the said funnel, is operatively connected at its lower end to a float. Said tubular body, disposed within and secured to the funnel, is provided with a plurality of perforations, through which the liquid can flow when said valve member is positioned at a level lower than that of the perforations. At its upper end the valve is provided with an elongated member that carries at its upper free terminal portion a retaining means for automatically hooking the said retaining means when the valve member is in the sealing position.

As it may be seen in the foregoing statements, this novel construction allows for an automatic engagement of the valve member at the instant in which the latter comes to seal the passage of the fluid through the mentioned perforations, from the interior of the cavity of the funnel container to the passage of the lower portion of the axial tubular body that serves as the exit for the discharge of the funnel. After the said valve member is automatically blocked in its sealing position, the funnel may be readily withdrawn in the same manner as an ordinary funnel, from the container that has been filled, without the risk of losing a single drop of the liquid remaining in the container of the funnel. The said valve member being afterwards set loose by hand, after the funnel has been inserted with its pourer into the mouth of a still empty container, in order that the said valve member will be able to move axially by its own weight for freeing the openings for the passage of the flowing liquid from the interior of the hollow of the funnel onto the interior of the container to be filled.

Besides the constructive advantages that may be appreciated in what has already been said, it may be emphasized that the funnel forming the subject matter of the 2,818,090 Patented Dec. 31, 1957 present invention is particularly useful for the filling of non-transparent containers in which it is not possible to see the increase of level during the filling thereof. An other advantage of the new funnel is the fact that the said openings serve as filter for retaining foreign matter that are contained in the flowing liquid that passes through the said openings. Other additional advantages of the invention will be obvious in the following description wherein all the substantial details are given.

For a better understanding of the object of the present invention, same is shown in the character of a detailed example in no way limitative, in one of the various preferred possible forms of realization, in the accompanying drawings, in which:

Fig. 1 is a view partly in cross section showing a funnel in accordance with the present invention, the valve member being in a position far from the openings for the passage of the flowing substance, and

Fig. 2 is a repetition of what is graphically shown in Fig. 1, the funnel being wholly shown according to a vertical cross section, with the valve member in the sealing position.

With reference to what is graphically shown in the accompanying drawing sheet, it is to be pointed out that the funnel 1 provided with an automatic sealing, which constitutes the subject matter of the present invention, is formed by a frusto-conical or otherwise shaped container 2, which carries or has secured thereto at its lower opening a beak 3 defined by a tubular part having an integral axial ascending extension 3'. This tubular part 3--3 is provided with a plurality of perforations 5 arranged in an intermediate zone of the length of such part and within cavity 4 of hollow body 2 in the vicinity of the bottom of cavity, the openings 5 communicating cavity 4 of hollow body 2 and passage 6 of tubular part 3-3. Within passage 6 of the said tubular part 3-3' is lodged, at least axially movable, a tubular valve member 7 which has secured at its lower end a floating member 8 by means of rod member 9, while at its upper end the said valve member carries a rod 10 having at its upper free end a retaining means constituted by an automatic hooking device 11 adapted to engage the open upper annular edge 12 of the ascending axial integral extension 3 of the beak 3 when the valve is in closing position.

Valve member '7 may be represented, preferably, by a tubular cup member having axial communicating duct 13, the adjacent end of the rod element 9 carrying the floating element 8, being secured to the annular open lower end of the cup forming the valve member 7 by a cross piece 14.

Rod 10 may be eccentrically secured over the inner periphery of the cup in the anular upper end thereof, the retaining means constituted by the automatic hooking device 11 being formed by the respective free terminal portion of said rod, which portion is bent outwardly at an angle.

It will be evident that certain variations may be introduced in the details and construction in the realization of the object of the present invention, without thereby departing from the real scope thereof which is precisely defined in the claims that are hereinafter specified.

What is claimed is:

l. A funnel comprising an inverted, hollow frustroconical member, a hollow cylindrical sleeve disposed centrally of said frustro-conical member and projecting above and below and secured to said frustro-conical member, said hollow cylindrical sleeve having a plurality of apertures in the portion of said cylindrical sleeve disposed within said frustro-conical member, a hollow cylindrical imperforate valve member slidably disposed within said cylindrical sleeve, a float member secured to said valve member and disposed below said cylindrical sleeve, said 'ice 3 4 float member moving said valve member from a position comprising a cross member secured to the lower end of in said sleeve below the apertures in said sleeve to a posisaid valve member and a rod secured at its opposite ends tion covering the apertures in said sleeve, an elongated to said cross member and said float respectively. rod secured to and extending upwardly from said valve References Cited in the file of this patent member; said rod having a hook on its upper end, the a length of said rod being such that said hook may engage UNITED STATES PATENTS the upper edge of said cylindrical sleeve when said valve 489,620 Widness Jan. 10, 1893 member is covering the apertures in said sleeve. 529,998 Beall Nov. 27, 1894 2. The combination in accordance with claim 1 further 936,511 Beatty Oct. 12, 1909 

